6.4By 2030, substantially increase water-use efficiency across all sectors and ensure sustainable withdrawals and supply of freshwater to address water scarcity and substantially reduce the number of people suffering from water scarcity

6.5By 2030, implement integrated water resources management at all levels, including through transboundary cooperation as appropriate

6.aBy 2030, expand international cooperation and capacity-building support to developing countries in water- and sanitation-related activities and programmes, including water harvesting, desalination, water efficiency, wastewater treatment, recycling and reuse technologies

6.bSupport and strengthen the participation of local communities in improving water and sanitation management